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Align launch.script with the init script spec

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The init script spec [1] describes a number of requirements with which
our launch.script did not comply. This commit makes the following
corrections:

 - Add support for force-reload which should be implemented by all
   init scripts
 - Don't fail restart if the service is already stopped or not running
 - Consider stop to be successful if the service is already stopped
 - Exit with 1 if stop fails (indicating a generic or unspecified error)
   rather than 3 (unimplemented feature)
 - Report a status of 1 if app is not running but the pid file exists
 - Report a status of 3 if the app is not running (no pid file)

Closes gh-4231

[1] http://refspecs.linuxbase.org/LSB_3.1.0/LSB-Core-generic/LSB-Core-generic/iniscrptact.html
This commit is contained in:
Andy Wilkinson 2015-10-20 10:01:22 +01:00
parent 1d3386ba3f
commit d071db8cc9
1 changed files with 29 additions and 10 deletions
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39
spring-boot-tools/spring-boot-loader-tools/src/main/resources/org/springframework/boot/loader/tools/launch.script
View File

@ -118,6 +118,10 @@ start() {
pid=$(cat "$pid_file")
isRunning $pid && { echoYellow "Already running [$pid]"; return 0; }
fi
do_start
}
do_start() {
pushd $(dirname "$jarfile") > /dev/null
if [[ -n "$run_user" ]]; then
mkdir "$PID_FOLDER" &> /dev/null
@ -152,27 +156,40 @@ start() {
}
stop() {
[[ -f $pid_file ]] || { echoRed "Not running (pidfile not found)"; return 1; }
[[ -f $pid_file ]] || { echoYellow "Not running (pidfile not found)"; return 0; }
pid=$(cat "$pid_file")
rm -f "$pid_file"
isRunning $pid || { echoRed "Not running (process ${pid} not found)"; return 1; }
kill -HUP $pid &> /dev/null || { echoRed "Unable to kill process ${pid}"; return 3; }
isRunning $pid || { echoYellow "Not running (process ${pid} not found)"; return 0; }
do_stop $pid $pid_file
}
do_stop() {
kill -HUP $1 &> /dev/null || { echoRed "Unable to kill process $1"; return 1; }
for i in $(seq 1 60); do
isRunning ${pid} || { echoGreen "Stopped [$pid]"; rm -f $pid_file; return 0; }
isRunning $1 || { echoGreen "Stopped [$1]"; rm -f $2; return 0; }
sleep 1
done
echoRed "Unable to kill process ${pid}";
return 3;
echoRed "Unable to kill process $1";
return 1;
}
restart() {
stop && start
}
status() {
[[ -f $pid_file ]] || { echoRed "Not running"; return 1; }
force_reload() {
[[ -f $pid_file ]] || { echoRed "Not running (pidfile not found)"; return 7; }
pid=$(cat "$pid_file")
isRunning $pid || { echoRed "Not running (process ${pid} not found)"; return 3; }
rm -f "$pid_file"
isRunning $pid || { echoRed "Not running (process ${pid} not found)"; return 7; }
do_stop $pid $pid_file
do_start
}
status() {
[[ -f $pid_file ]] || { echoRed "Not running"; return 3; }
pid=$(cat "$pid_file")
isRunning $pid || { echoRed "Not running (process ${pid} not found)"; return 1; }
echoGreen "Running [$pid]"
return 0
}
@ -193,12 +210,14 @@ stop)
stop "$@"; exit $?;;
restart)
restart "$@"; exit $?;;
force-reload)
force_reload "$@"; exit $?;;
status)
status "$@"; exit $?;;
run)
run "$@"; exit $?;;
*)
echo "Usage: $0 {start|stop|restart|status|run}"; exit 1;
echo "Usage: $0 {start|stop|restart|force-reload|status|run}"; exit 1;
esac
exit 0